The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 19, 2005
Filed:
Oct. 03, 2000
Applicants:
Keizo Kimura, Minami-ashigara, JP;
Yoshiharu Yabuki, Minami-ashigara, JP;
Yasufumi Nakai, Minami-ashigara, JP;
Inventors:
Keizo Kimura, Minami-ashigara, JP;
Yoshiharu Yabuki, Minami-ashigara, JP;
Yasufumi Nakai, Minami-ashigara, JP;
Assignee:
Fuji Photo Film Co., LTD, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D251/68 ; C09K011/06 ;
U.S. Cl.
CPC ...
Abstract
The following 4,4'-bis(1,3,5-triazinylamino)stilbene-2,2′-disulfonic acid derivative is well soluble in water:in which each of Rand Ris hydrogen, or a specifically substituted or unsubstituted alkyl group; each of Rand Ris hydrogen, a specifically substituted or unsubstituted alkyl group, a specifically substituted or unsubstituted aryl group; M is hydrogen, alkali metal, alkaline earth metal, ammonium, or pyridinium.